{"id":104323,"date":"2022-06-09T03:36:45","date_gmt":"2022-06-09T01:36:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/predstavlen-pyston-lite-jit-kompilyator-dlya-shtatnogo-python"},"modified":"2022-06-09T03:36:45","modified_gmt":"2022-06-09T01:36:45","slug":"predstavlen-pyston-lite-jit-kompilyator-dlya-shtatnogo-python","status":"publish","type":"post","link":"https:\/\/prohoster.info\/no\/blog\/news\/predstavlen-pyston-lite-jit-kompilyator-dlya-shtatnogo-python","title":{"rendered":"Pyston-lite lansert, JIT-kompilator for standard Python","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Utviklerne av prosjektet Pyston, som tilbyr en h\u00f8yytelsesimplementering av spr\u00e5ket Python med moderne JIT-kompileringsteknologier, har introdusert Pyston-lite-utvidelsen med implementering av JIT-kompilatoren for CPython. Mens Pyston er en avlegg av CPython-koden og utvikles uavhengig, er Pyston-lite utformet som et universelt tillegg som er ment for tilkobling til standard Python-interpretatoren (CPython).      <\/p>\n<p>Pyston-lite gj\u00f8r det mulig \u00e5 bruke grunnleggende teknologier fra Pyston uten \u00e5 erstatte tolken, ved \u00e5 installere et ekstra utvidelse ved hjelp av pakkebehandleren PIP eller Conda. Pyston-lite er allerede tilgjengelig i PyPI- og Conda-repositoriene, og for \u00e5 installere det er det nok \u00e5 kj\u00f8re kommandoen \u00abpip install pyston_lite_autoload\u00bb eller \u00abconda install pyston_lite_autoload -c pyston\u00bb. Det tilbys to pakker: pyston_lite (selve JIT-en) og pyston_lite_autoload (som automatisk aktiverer JIT ved oppstart av Python-prosessen). Det er ogs\u00e5 mulig \u00e5 programmatisk styre aktiveringen av JIT fra applikasjonen uten \u00e5 installere autoload-modulen, ved \u00e5 bruke funksjonen pyston_lite.enable().        <\/p>\n<p>Selv om Pyston-lite ikke dekker alle tilgjengelige optimaliseringer i Pyston, kan bruken av den \u00f8ke ytelsen med omtrent 10-25% sammenlignet med vanlig Python 3.8. I fremtiden er det planlagt \u00e5 overf\u00f8re de fleste optimaliseringene som finnes i Pyston til Pyston-lite, samt utvide de st\u00f8ttede versjonene av CPython (den f\u00f8rste utgivelsen st\u00f8tter bare Python 3.8). Av mer omfattende planer er det samarbeidet med CPython-teamet om \u00e5 implementere nye API-er for JIT, som gir bedre kontroll over Python. Endringer foresl\u00e5s inkludert i Python 3.12-grenen. Ideelt vurderes det \u00e5 overf\u00f8re all funksjonalitet fra Pyston til utvidelsen, noe som ville eliminere behovet for \u00e5 opprettholde en egen fork av CPython.      <\/p>\n<p>I tillegg til Pyston-lite har prosjektet ogs\u00e5 utgitt en oppdatering av den fullstendige Pyston 2.3.4-pakken, som tilbyr nye optimaliseringer. I pyperformance-testen er versjon 2.3.4 omtrent 6% raskere enn versjon 2.3.3. Den totale ytelsesgevinsten sammenlignet med CPython er estimert til 66%.    <\/p>\n<p>Ytterligere kan man merke seg optimaliseringene som utvikles innenfor utviklingssyklusen av CPython 3.11, som i enkelte tester har \u00f8kt ytelsen med 25 %. For eksempel, i CPython 3.11 er effektiviteten i hurtigbuffring av bytekode for grunnleggende moduler forbedret, noe som vil akselerere skriptoppsett med 10-15 %. Funksjonskall har blitt betydelig raskere, og spesialiserte hurtige tolker for typiske operasjoner har blitt lagt til. Arbeidet med \u00e5 overf\u00f8re noen optimaliseringer forberedt av prosjektene Cinder og HotPy p\u00e5g\u00e5r ogs\u00e5.      <\/p>\n<p>I tillegg arbeides det innenfor nogil-prosjektet med en eksperimentell kompilasjonsmodus av CPython uten global l\u00e5s p\u00e5 tolken (GIL, Global Interpreter Lock), som forhindrer parallell tilgang til delte objekter fra forskjellige tr\u00e5der, noe som hindrer parallellisering av operasjoner p\u00e5 flerkjerne-systemer. Som et alternativ til GIL-problemet utvikles muligheten for \u00e5 knytte hver enkelt GIL til hver tolk som kj\u00f8rer innenfor prosessen (i \u00e9n prosess kan flere tolker kj\u00f8re, men effektiviteten i deres parallelle utf\u00f8relse er begrenset av GIL).<br \/>\n<br \/>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57320\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Pyston, \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e\u0449\u0435\u0433\u043e \u0432\u044b\u0441\u043e\u043a\u043e\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u0443\u044e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u044f\u0437\u044b\u043a\u0430 Python, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0443\u044e \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 JIT-\u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0438 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0435 Pyston-lite \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 JIT-\u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430 \u0434\u043b\u044f CPython. \u0415\u0441\u043b\u0438 Pyston \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043e\u0442\u0432\u0435\u0442\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u043e\u0442 \u043a\u043e\u0434\u043e\u0432\u043e\u0439 \u0431\u0430\u0437\u044b CPython \u0438 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043e\u0431\u043e\u0441\u043e\u0431\u043b\u0435\u043d\u043d\u043e, \u0442\u043e Pyston-lite \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d \u0432 \u0432\u0438\u0434\u0435 \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u043a \u0448\u0442\u0430\u0442\u043d\u043e\u043c\u0443 \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440\u0443 Python (CPython). Pyston-lite \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0431\u0430\u0437\u043e\u0432\u044b\u0435 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 Pyston \u0431\u0435\u0437 \u0437\u0430\u043c\u0435\u043d\u044b \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440\u0430, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-104323","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 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